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Well, I am not a big fan of plasma tweeters.

First, of all they generate a health hazardous gas while they operate. All contemporary plasma drivers have catalytic converters that presumably convert this gas into something neutral. The process of conversion does affect sound. So, should I trust to a hi-fi manufactures that they would sacrifices the sonic effectiveness of thier product, that generates non-detectable, cancer producing gas, in order to preserve the health of thier customers perspective? I do not think so. It is not really regulated field and I have very little trust to hi-fi companies.

Second, I would not say that plasma tweeters sound good - they sound “deferent” and thier sentimentals in thier “differences”. It is nice to sit and to hear how the tweeter works but audio is not about listing the sounds of the drivers. In fact, Steve, I feel that is you was able to notice and separately comment on the performance of the twitters than it is an indicative illustration that the tweeter were not as good as they should be. I personally do not find that plasma tweeters deliver an adequate result and I feel that that their Sound is very muck syntactic and “helped”. The sound they do really do not exists in relay world; at least I never was able to get similar sonic sensation anywhere. It more sounds to me like holding in my hand Teflon. It is pleasant, very different, very-very different but it certainly feels as a totally out of this world material.

Third, plasma tweeter inflicts design problems. Those plasma tweeters meant to be used in a very special optimum for itself way and it might not necessary fit within your design objectives. As the result - you need to design a system that would satisfy the requirements of the tweeters instead of picking a tweeter that would satisfy the requirement of your design objectives.

And the last, probably the most important: the plasma tweeters imposable to integrate with any another drivers, channels or topologies – they juts sound too different. I would not advocate which is better or worst  but I do insist that plasma tweeter and all known to me midranges are none-comparable.

Also, It is very expounding that the KIS, who presumably likes what Sound Labs do to sound, do find the plasma tweeters attractive. I feel the plasma tweeters take the sub-dynamic, deneuralized sound of electrostats to its washy-washy pinnacle…

Juts my opinion,
Romy the Cat

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